64423875

素因数分解:

$3^1\times 5^3\times {\mathrm{149}}^1\times {\mathrm{1153}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 108014400

約数和(自身を除く): 43590525

約数列:

[1, 3, 5, 15, 25, 75, 125, 149, 375, 447, 745, 1153, 2235, 3459, 3725, 5765, 11175, 17295, 18625, 28825, 55875, 86475, 144125, 171797, 432375, 515391, 858985, 2576955, 4294925, 12884775, 21474625, 64423875]

約数ペア:

[(1, 64423875), (3, 21474625), (5, 12884775), (15, 4294925), (25, 2576955), (75, 858985), (125, 515391), (149, 432375), (375, 171797), (447, 144125), (745, 86475), (1153, 55875), (2235, 28825), (3459, 18625), (3725, 17295), (5765, 11175)]