15983955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 30270240

約数和(自身を除く): 14286285

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 89, 117, 195, 267, 307, 445, 585, 801, 921, 1157, 1335, 1535, 2763, 3471, 3991, 4005, 4605, 5785, 10413, 11973, 13815, 17355, 19955, 27323, 35919, 52065, 59865, 81969, 136615, 179595, 245907, 355199, 409845, 1065597, 1229535, 1775995, 3196791, 5327985, 15983955]

約数ペア:

[(1, 15983955), (3, 5327985), (5, 3196791), (9, 1775995), (13, 1229535), (15, 1065597), (39, 409845), (45, 355199), (65, 245907), (89, 179595), (117, 136615), (195, 81969), (267, 59865), (307, 52065), (445, 35919), (585, 27323), (801, 19955), (921, 17355), (1157, 13815), (1335, 11973), (1535, 10413), (2763, 5785), (3471, 4605), (3991, 4005)]