201980925

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15749}}^1$

素因数の和:15787

約数の個数: 48

約数和(自身を含む): 390600000

約数和(自身を除く): 188619075

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 2565, 4275, 12825, 15749, 47247, 78745, 141741, 236235, 299231, 393725, 425223, 708705, 897693, 1181175, 1496155, 2126115, 2693079, 3543525, 4488465, 7480775, 8079237, 10630575, 13465395, 22442325, 40396185, 67326975, 201980925]

約数ペア:

[(1, 201980925), (3, 67326975), (5, 40396185), (9, 22442325), (15, 13465395), (19, 10630575), (25, 8079237), (27, 7480775), (45, 4488465), (57, 3543525), (75, 2693079), (95, 2126115), (135, 1496155), (171, 1181175), (225, 897693), (285, 708705), (475, 425223), (513, 393725), (675, 299231), (855, 236235), (1425, 141741), (2565, 78745), (4275, 47247), (12825, 15749)]