25424775

素因数分解:

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

素因数の和:90

約数の個数: 72

約数和(自身を含む): 50487840

約数和(自身を除く): 25063065

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 115, 153, 207, 225, 255, 289, 345, 391, 425, 575, 765, 867, 1035, 1173, 1275, 1445, 1725, 1955, 2601, 3519, 3825, 4335, 4913, 5175, 5865, 6647, 7225, 9775, 13005, 14739, 17595, 19941, 21675, 24565, 29325, 33235, 44217, 59823, 65025, 73695, 87975, 99705, 112999, 122825, 166175, 221085, 299115, 338997, 368475, 498525, 564995, 1016991, 1105425, 1495575, 1694985, 2824975, 5084955, 8474925, 25424775]

約数ペア:

[(1, 25424775), (3, 8474925), (5, 5084955), (9, 2824975), (15, 1694985), (17, 1495575), (23, 1105425), (25, 1016991), (45, 564995), (51, 498525), (69, 368475), (75, 338997), (85, 299115), (115, 221085), (153, 166175), (207, 122825), (225, 112999), (255, 99705), (289, 87975), (345, 73695), (391, 65025), (425, 59823), (575, 44217), (765, 33235), (867, 29325), (1035, 24565), (1173, 21675), (1275, 19941), (1445, 17595), (1725, 14739), (1955, 13005), (2601, 9775), (3519, 7225), (3825, 6647), (4335, 5865), (4913, 5175)]