1279231725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{23333}}^1$

素因数の和:23406

約数の個数: 48

約数和(自身を含む): 2291585472

約数和(自身を除く): 1012353747

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 255, 425, 645, 731, 1075, 1275, 2193, 3225, 3655, 10965, 18275, 23333, 54825, 69999, 116665, 349995, 396661, 583325, 1003319, 1189983, 1749975, 1983305, 3009957, 5016595, 5949915, 9916525, 15049785, 17056423, 25082975, 29749575, 51169269, 75248925, 85282115, 255846345, 426410575, 1279231725]

約数ペア:

[(1, 1279231725), (3, 426410575), (5, 255846345), (15, 85282115), (17, 75248925), (25, 51169269), (43, 29749575), (51, 25082975), (75, 17056423), (85, 15049785), (129, 9916525), (215, 5949915), (255, 5016595), (425, 3009957), (645, 1983305), (731, 1749975), (1075, 1189983), (1275, 1003319), (2193, 583325), (3225, 396661), (3655, 349995), (10965, 116665), (18275, 69999), (23333, 54825)]