989968473

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 1652910336

約数和(自身を除く): 662941863

約数列:

[1, 3, 9, 13, 27, 39, 47, 81, 83, 117, 141, 241, 249, 351, 423, 611, 723, 747, 1053, 1079, 1269, 1833, 2169, 2241, 3133, 3237, 3807, 3901, 5499, 6507, 6723, 9399, 9711, 11327, 11703, 16497, 19521, 20003, 28197, 29133, 33981, 35109, 49491, 50713, 60009, 84591, 87399, 101943, 105327, 147251, 152139, 180027, 253773, 260039, 305829, 315981, 441753, 456417, 540081, 780117, 917487, 940141, 1325259, 1369251, 1620243, 2340351, 2820423, 3975777, 4107753, 7021053, 8461269, 11927331, 12221833, 21063159, 25383807, 36665499, 76151421, 109996497, 329989491, 989968473]

約数ペア:

[(1, 989968473), (3, 329989491), (9, 109996497), (13, 76151421), (27, 36665499), (39, 25383807), (47, 21063159), (81, 12221833), (83, 11927331), (117, 8461269), (141, 7021053), (241, 4107753), (249, 3975777), (351, 2820423), (423, 2340351), (611, 1620243), (723, 1369251), (747, 1325259), (1053, 940141), (1079, 917487), (1269, 780117), (1833, 540081), (2169, 456417), (2241, 441753), (3133, 315981), (3237, 305829), (3807, 260039), (3901, 253773), (5499, 180027), (6507, 152139), (6723, 147251), (9399, 105327), (9711, 101943), (11327, 87399), (11703, 84591), (16497, 60009), (19521, 50713), (20003, 49491), (28197, 35109), (29133, 33981)]