161494395

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3803}}^1$

素因数の和:3979

約数の個数: 32

約数和(自身を含む): 273888000

約数和(自身を除く): 112393605

約数列:

[1, 3, 5, 15, 19, 57, 95, 149, 285, 447, 745, 2235, 2831, 3803, 8493, 11409, 14155, 19015, 42465, 57045, 72257, 216771, 361285, 566647, 1083855, 1699941, 2833235, 8499705, 10766293, 32298879, 53831465, 161494395]

約数ペア:

[(1, 161494395), (3, 53831465), (5, 32298879), (15, 10766293), (19, 8499705), (57, 2833235), (95, 1699941), (149, 1083855), (285, 566647), (447, 361285), (745, 216771), (2235, 72257), (2831, 57045), (3803, 42465), (8493, 19015), (11409, 14155)]