201916125

素因数分解:

$3^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{2063}}^1$

素因数の和:2116

約数の個数: 64

約数和(自身を含む): 386380800

約数和(自身を除く): 184464675

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 125, 135, 145, 225, 261, 375, 435, 675, 725, 783, 1125, 1305, 2063, 2175, 3375, 3625, 3915, 6189, 6525, 10315, 10875, 18567, 19575, 30945, 32625, 51575, 55701, 59827, 92835, 97875, 154725, 179481, 257875, 278505, 299135, 464175, 538443, 773625, 897405, 1392525, 1495675, 1615329, 2320875, 2692215, 4487025, 6962625, 7478375, 8076645, 13461075, 22435125, 40383225, 67305375, 201916125]

約数ペア:

[(1, 201916125), (3, 67305375), (5, 40383225), (9, 22435125), (15, 13461075), (25, 8076645), (27, 7478375), (29, 6962625), (45, 4487025), (75, 2692215), (87, 2320875), (125, 1615329), (135, 1495675), (145, 1392525), (225, 897405), (261, 773625), (375, 538443), (435, 464175), (675, 299135), (725, 278505), (783, 257875), (1125, 179481), (1305, 154725), (2063, 97875), (2175, 92835), (3375, 59827), (3625, 55701), (3915, 51575), (6189, 32625), (6525, 30945), (10315, 19575), (10875, 18567)]