81223992

素因数分解:

$2^3\times 3^3\times {\mathrm{523}}^1\times {\mathrm{719}}^1$

素因数の和:1257

約数の個数: 64

約数和(自身を含む): 226368000

約数和(自身を除く): 145144008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 523, 719, 1046, 1438, 1569, 2092, 2157, 2876, 3138, 4184, 4314, 4707, 5752, 6276, 6471, 8628, 9414, 12552, 12942, 14121, 17256, 18828, 19413, 25884, 28242, 37656, 38826, 51768, 56484, 77652, 112968, 155304, 376037, 752074, 1128111, 1504148, 2256222, 3008296, 3384333, 4512444, 6768666, 9024888, 10152999, 13537332, 20305998, 27074664, 40611996, 81223992]

約数ペア:

[(1, 81223992), (2, 40611996), (3, 27074664), (4, 20305998), (6, 13537332), (8, 10152999), (9, 9024888), (12, 6768666), (18, 4512444), (24, 3384333), (27, 3008296), (36, 2256222), (54, 1504148), (72, 1128111), (108, 752074), (216, 376037), (523, 155304), (719, 112968), (1046, 77652), (1438, 56484), (1569, 51768), (2092, 38826), (2157, 37656), (2876, 28242), (3138, 25884), (4184, 19413), (4314, 18828), (4707, 17256), (5752, 14121), (6276, 12942), (6471, 12552), (8628, 9414)]