42997725

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 81244800

約数和(自身を除く): 38247075

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 59, 75, 79, 123, 177, 205, 225, 237, 295, 369, 395, 531, 615, 711, 885, 1025, 1185, 1475, 1845, 1975, 2419, 2655, 3075, 3239, 3555, 4425, 4661, 5925, 7257, 9225, 9717, 12095, 13275, 13983, 16195, 17775, 21771, 23305, 29151, 36285, 41949, 48585, 60475, 69915, 80975, 108855, 116525, 145755, 181425, 191101, 209745, 242925, 349575, 544275, 573303, 728775, 955505, 1048725, 1719909, 2866515, 4777525, 8599545, 14332575, 42997725]

約数ペア:

[(1, 42997725), (3, 14332575), (5, 8599545), (9, 4777525), (15, 2866515), (25, 1719909), (41, 1048725), (45, 955505), (59, 728775), (75, 573303), (79, 544275), (123, 349575), (177, 242925), (205, 209745), (225, 191101), (237, 181425), (295, 145755), (369, 116525), (395, 108855), (531, 80975), (615, 69915), (711, 60475), (885, 48585), (1025, 41949), (1185, 36285), (1475, 29151), (1845, 23305), (1975, 21771), (2419, 17775), (2655, 16195), (3075, 13983), (3239, 13275), (3555, 12095), (4425, 9717), (4661, 9225), (5925, 7257)]