31195827

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 53329920

約数和(自身を除く): 22134093

約数列:

[1, 3, 9, 13, 27, 31, 39, 47, 61, 93, 117, 141, 183, 279, 351, 403, 423, 549, 611, 793, 837, 1209, 1269, 1457, 1647, 1833, 1891, 2379, 2867, 3627, 4371, 5499, 5673, 7137, 8601, 10881, 13113, 16497, 17019, 18941, 21411, 24583, 25803, 37271, 39339, 51057, 56823, 73749, 77409, 88877, 111813, 170469, 221247, 266631, 335439, 511407, 663741, 799893, 1006317, 1155401, 2399679, 3466203, 10398609, 31195827]

約数ペア:

[(1, 31195827), (3, 10398609), (9, 3466203), (13, 2399679), (27, 1155401), (31, 1006317), (39, 799893), (47, 663741), (61, 511407), (93, 335439), (117, 266631), (141, 221247), (183, 170469), (279, 111813), (351, 88877), (403, 77409), (423, 73749), (549, 56823), (611, 51057), (793, 39339), (837, 37271), (1209, 25803), (1269, 24583), (1457, 21411), (1647, 18941), (1833, 17019), (1891, 16497), (2379, 13113), (2867, 10881), (3627, 8601), (4371, 7137), (5499, 5673)]