40171815

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 76492800

約数和(自身を除く): 36320985

約数列:

[1, 3, 5, 9, 15, 27, 29, 31, 45, 87, 93, 135, 145, 155, 261, 279, 331, 435, 465, 783, 837, 899, 993, 1305, 1395, 1655, 2697, 2979, 3915, 4185, 4495, 4965, 8091, 8937, 9599, 10261, 13485, 14895, 24273, 28797, 30783, 40455, 44685, 47995, 51305, 86391, 92349, 121365, 143985, 153915, 259173, 277047, 297569, 431955, 461745, 892707, 1295865, 1385235, 1487845, 2678121, 4463535, 8034363, 13390605, 40171815]

約数ペア:

[(1, 40171815), (3, 13390605), (5, 8034363), (9, 4463535), (15, 2678121), (27, 1487845), (29, 1385235), (31, 1295865), (45, 892707), (87, 461745), (93, 431955), (135, 297569), (145, 277047), (155, 259173), (261, 153915), (279, 143985), (331, 121365), (435, 92349), (465, 86391), (783, 51305), (837, 47995), (899, 44685), (993, 40455), (1305, 30783), (1395, 28797), (1655, 24273), (2697, 14895), (2979, 13485), (3915, 10261), (4185, 9599), (4495, 8937), (4965, 8091)]