77223015

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 139366656

約数和(自身を除く): 62143641

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 197, 279, 281, 465, 591, 843, 985, 1395, 1405, 1773, 2529, 2955, 4215, 6107, 8711, 8865, 12645, 18321, 26133, 30535, 43555, 54963, 55357, 78399, 91605, 130665, 166071, 274815, 276785, 391995, 498213, 830355, 1716067, 2491065, 5148201, 8580335, 15444603, 25741005, 77223015]

約数ペア:

[(1, 77223015), (3, 25741005), (5, 15444603), (9, 8580335), (15, 5148201), (31, 2491065), (45, 1716067), (93, 830355), (155, 498213), (197, 391995), (279, 276785), (281, 274815), (465, 166071), (591, 130665), (843, 91605), (985, 78399), (1395, 55357), (1405, 54963), (1773, 43555), (2529, 30535), (2955, 26133), (4215, 18321), (6107, 12645), (8711, 8865)]