22403979

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 16303221

約数列:

[1, 3, 9, 13, 27, 29, 31, 39, 71, 87, 93, 117, 213, 261, 279, 351, 377, 403, 639, 783, 837, 899, 923, 1131, 1209, 1917, 2059, 2201, 2697, 2769, 3393, 3627, 6177, 6603, 8091, 8307, 10179, 10881, 11687, 18531, 19809, 24273, 24921, 26767, 28613, 35061, 55593, 59427, 63829, 80301, 85839, 105183, 191487, 240903, 257517, 315549, 574461, 722709, 772551, 829777, 1723383, 2489331, 7467993, 22403979]

約数ペア:

[(1, 22403979), (3, 7467993), (9, 2489331), (13, 1723383), (27, 829777), (29, 772551), (31, 722709), (39, 574461), (71, 315549), (87, 257517), (93, 240903), (117, 191487), (213, 105183), (261, 85839), (279, 80301), (351, 63829), (377, 59427), (403, 55593), (639, 35061), (783, 28613), (837, 26767), (899, 24921), (923, 24273), (1131, 19809), (1209, 18531), (1917, 11687), (2059, 10881), (2201, 10179), (2697, 8307), (2769, 8091), (3393, 6603), (3627, 6177)]