660777741

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^2$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 1119745536

約数和(自身を除く): 458967795

約数列:

[1, 3, 9, 13, 23, 31, 39, 69, 89, 93, 117, 207, 267, 279, 299, 403, 713, 801, 897, 1157, 1209, 2047, 2139, 2691, 2759, 3471, 3627, 6141, 6417, 7921, 8277, 9269, 10413, 18423, 23763, 24831, 26611, 27807, 35867, 63457, 71289, 79833, 83421, 102973, 107601, 182183, 190371, 239499, 245551, 308919, 322803, 546549, 571113, 736653, 824941, 926757, 1639647, 2209959, 2368379, 2474823, 3192163, 5647673, 7105137, 7424469, 9576489, 16943019, 21315411, 28729467, 50829057, 73419749, 220259247, 660777741]

約数ペア:

[(1, 660777741), (3, 220259247), (9, 73419749), (13, 50829057), (23, 28729467), (31, 21315411), (39, 16943019), (69, 9576489), (89, 7424469), (93, 7105137), (117, 5647673), (207, 3192163), (267, 2474823), (279, 2368379), (299, 2209959), (403, 1639647), (713, 926757), (801, 824941), (897, 736653), (1157, 571113), (1209, 546549), (2047, 322803), (2139, 308919), (2691, 245551), (2759, 239499), (3471, 190371), (3627, 182183), (6141, 107601), (6417, 102973), (7921, 83421), (8277, 79833), (9269, 71289), (10413, 63457), (18423, 35867), (23763, 27807), (24831, 26611)]