201943125

素因数分解:

$3^4\times 5^4\times {\mathrm{3989}}^1$

素因数の和:4021

約数の個数: 50

約数和(自身を含む): 377058990

約数和(自身を除く): 175115865

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 625, 675, 1125, 1875, 2025, 3375, 3989, 5625, 10125, 11967, 16875, 19945, 35901, 50625, 59835, 99725, 107703, 179505, 299175, 323109, 498625, 538515, 897525, 1495875, 1615545, 2493125, 2692575, 4487625, 7479375, 8077725, 13462875, 22438125, 40388625, 67314375, 201943125]

約数ペア:

[(1, 201943125), (3, 67314375), (5, 40388625), (9, 22438125), (15, 13462875), (25, 8077725), (27, 7479375), (45, 4487625), (75, 2692575), (81, 2493125), (125, 1615545), (135, 1495875), (225, 897525), (375, 538515), (405, 498625), (625, 323109), (675, 299175), (1125, 179505), (1875, 107703), (2025, 99725), (3375, 59835), (3989, 50625), (5625, 35901), (10125, 19945), (11967, 16875)]