74688015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5851}}^1$

素因数の和:5919

約数の個数: 32

約数和(自身を含む): 128088576

約数和(自身を除く): 53400561

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 4255, 5851, 12765, 17553, 29255, 87765, 134573, 216487, 403719, 649461, 672865, 1082435, 2018595, 3247305, 4979201, 14937603, 24896005, 74688015]

約数ペア:

[(1, 74688015), (3, 24896005), (5, 14937603), (15, 4979201), (23, 3247305), (37, 2018595), (69, 1082435), (111, 672865), (115, 649461), (185, 403719), (345, 216487), (555, 134573), (851, 87765), (2553, 29255), (4255, 17553), (5851, 12765)]