218173815

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5393}}^1$

素因数の和:5464

約数の個数: 48

約数和(自身を含む): 403902720

約数和(自身を除く): 185728905

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 899, 1305, 1395, 2697, 4495, 5393, 8091, 13485, 16179, 26965, 40455, 48537, 80895, 156397, 167183, 242685, 469191, 501549, 781985, 835915, 1407573, 1504647, 2345955, 2507745, 4848307, 7037865, 7523235, 14544921, 24241535, 43634763, 72724605, 218173815]

約数ペア:

[(1, 218173815), (3, 72724605), (5, 43634763), (9, 24241535), (15, 14544921), (29, 7523235), (31, 7037865), (45, 4848307), (87, 2507745), (93, 2345955), (145, 1504647), (155, 1407573), (261, 835915), (279, 781985), (435, 501549), (465, 469191), (899, 242685), (1305, 167183), (1395, 156397), (2697, 80895), (4495, 48537), (5393, 40455), (8091, 26965), (13485, 16179)]