2727225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 5571072

約数和(自身を除く): 2843847

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 31, 45, 51, 69, 75, 85, 93, 115, 153, 155, 207, 225, 255, 279, 345, 391, 425, 465, 527, 575, 713, 765, 775, 1035, 1173, 1275, 1395, 1581, 1725, 1955, 2139, 2325, 2635, 3519, 3565, 3825, 4743, 5175, 5865, 6417, 6975, 7905, 9775, 10695, 12121, 13175, 17595, 17825, 23715, 29325, 32085, 36363, 39525, 53475, 60605, 87975, 109089, 118575, 160425, 181815, 303025, 545445, 909075, 2727225]

約数ペア:

[(1, 2727225), (3, 909075), (5, 545445), (9, 303025), (15, 181815), (17, 160425), (23, 118575), (25, 109089), (31, 87975), (45, 60605), (51, 53475), (69, 39525), (75, 36363), (85, 32085), (93, 29325), (115, 23715), (153, 17825), (155, 17595), (207, 13175), (225, 12121), (255, 10695), (279, 9775), (345, 7905), (391, 6975), (425, 6417), (465, 5865), (527, 5175), (575, 4743), (713, 3825), (765, 3565), (775, 3519), (1035, 2635), (1173, 2325), (1275, 2139), (1395, 1955), (1581, 1725)]