75277275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 138872064

約数和(自身を除く): 63594789

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 151, 255, 289, 345, 391, 425, 453, 575, 755, 867, 1173, 1275, 1445, 1725, 1955, 2265, 2567, 3473, 3775, 4335, 5865, 6647, 7225, 7701, 9775, 10419, 11325, 12835, 17365, 19941, 21675, 29325, 33235, 38505, 43639, 52095, 59041, 64175, 86825, 99705, 130917, 166175, 177123, 192525, 218195, 260475, 295205, 498525, 654585, 885615, 1003697, 1090975, 1476025, 3011091, 3272925, 4428075, 5018485, 15055455, 25092425, 75277275]

約数ペア:

[(1, 75277275), (3, 25092425), (5, 15055455), (15, 5018485), (17, 4428075), (23, 3272925), (25, 3011091), (51, 1476025), (69, 1090975), (75, 1003697), (85, 885615), (115, 654585), (151, 498525), (255, 295205), (289, 260475), (345, 218195), (391, 192525), (425, 177123), (453, 166175), (575, 130917), (755, 99705), (867, 86825), (1173, 64175), (1275, 59041), (1445, 52095), (1725, 43639), (1955, 38505), (2265, 33235), (2567, 29325), (3473, 21675), (3775, 19941), (4335, 17365), (5865, 12835), (6647, 11325), (7225, 10419), (7701, 9775)]