4991115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 48

約数和(自身を含む): 9078048

約数和(自身を除く): 4086933

約数列:

[1, 3, 5, 15, 17, 23, 37, 51, 69, 85, 111, 115, 185, 255, 345, 391, 529, 555, 629, 851, 1173, 1587, 1887, 1955, 2553, 2645, 3145, 4255, 5865, 7935, 8993, 9435, 12765, 14467, 19573, 26979, 43401, 44965, 58719, 72335, 97865, 134895, 217005, 293595, 332741, 998223, 1663705, 4991115]

約数ペア:

[(1, 4991115), (3, 1663705), (5, 998223), (15, 332741), (17, 293595), (23, 217005), (37, 134895), (51, 97865), (69, 72335), (85, 58719), (111, 44965), (115, 43401), (185, 26979), (255, 19573), (345, 14467), (391, 12765), (529, 9435), (555, 8993), (629, 7935), (851, 5865), (1173, 4255), (1587, 3145), (1887, 2645), (1955, 2553)]