64616643

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{17}}^2$

素因数の和:83

約数の個数: 108

約数和(自身を含む): 128092680

約数和(自身を除く): 63476037

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 49, 51, 63, 91, 117, 119, 147, 153, 169, 189, 221, 273, 289, 351, 357, 441, 459, 507, 637, 663, 819, 833, 867, 1071, 1183, 1323, 1521, 1547, 1911, 1989, 2023, 2457, 2499, 2601, 2873, 3213, 3549, 3757, 4563, 4641, 5733, 5967, 6069, 7497, 7803, 8281, 8619, 10647, 10829, 11271, 13923, 14161, 17199, 18207, 20111, 22491, 24843, 25857, 26299, 31941, 32487, 33813, 41769, 42483, 48841, 54621, 60333, 74529, 77571, 78897, 97461, 101439, 127449, 140777, 146523, 180999, 184093, 223587, 236691, 292383, 341887, 382347, 422331, 439569, 542997, 552279, 710073, 1025661, 1266993, 1318707, 1656837, 2393209, 3076983, 3800979, 4970511, 7179627, 9230949, 21538881, 64616643]

約数ペア:

[(1, 64616643), (3, 21538881), (7, 9230949), (9, 7179627), (13, 4970511), (17, 3800979), (21, 3076983), (27, 2393209), (39, 1656837), (49, 1318707), (51, 1266993), (63, 1025661), (91, 710073), (117, 552279), (119, 542997), (147, 439569), (153, 422331), (169, 382347), (189, 341887), (221, 292383), (273, 236691), (289, 223587), (351, 184093), (357, 180999), (441, 146523), (459, 140777), (507, 127449), (637, 101439), (663, 97461), (819, 78897), (833, 77571), (867, 74529), (1071, 60333), (1183, 54621), (1323, 48841), (1521, 42483), (1547, 41769), (1911, 33813), (1989, 32487), (2023, 31941), (2457, 26299), (2499, 25857), (2601, 24843), (2873, 22491), (3213, 20111), (3549, 18207), (3757, 17199), (4563, 14161), (4641, 13923), (5733, 11271), (5967, 10829), (6069, 10647), (7497, 8619), (7803, 8281)]